Thomas Kevin Westhusing, D.O.
NPI 1164539425ActiveIndividual· Family Medicine· Pasco, WA
Family Medicine (D.O.) in Pasco, Washington, trained at Oklahoma State University College of Osteopathic Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $729,953 for 6,307 claims, against $95,866 paid for services in 2024.
Overview
| NPI | 1164539425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Oct 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OP00001712 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 378 |
|---|---|
| Services billed | 2,040 across 63 procedure codes |
| Paid by Medicare | $95,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,307 · 14,834 30-day fills |
|---|---|
| Patients | 628 |
| Total drug cost | $729,953 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Family Practice |
Medical group
- Kadlec Regional Medical CenterKennewick, WA · 414 clinicians
Hospital affiliation
- Kadlec Regional Medical CenterRichland, WA
Other facilities
- Tri-Cities Home HealthHome health agency · Kennewick, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family medicine physicians in Pasco · All family medicine physicians in Washington